CN107778815A - A kind of chemicals-resistant light diffusion PC materials and preparation method thereof - Google Patents
A kind of chemicals-resistant light diffusion PC materials and preparation method thereof Download PDFInfo
- Publication number
- CN107778815A CN107778815A CN201610767201.3A CN201610767201A CN107778815A CN 107778815 A CN107778815 A CN 107778815A CN 201610767201 A CN201610767201 A CN 201610767201A CN 107778815 A CN107778815 A CN 107778815A
- Authority
- CN
- China
- Prior art keywords
- parts
- chemicals
- light diffusion
- diffusing agent
- materials
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L69/00—Compositions of polycarbonates; Compositions of derivatives of polycarbonates
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/20—Applications use in electrical or conductive gadgets
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
Abstract
The present invention relates to field of high polymer material processing, and in particular to a kind of chemicals-resistant light diffusion PC materials and preparation method thereof.A kind of chemicals-resistant light spreads PC materials, is made up of following parts by weight：880 950 parts of PC, 30 100 parts of copolyesters, 10 30 parts of light diffusing agent, 2 10 parts of antioxidant.PC resin, conjugated polyester resin, light diffusing agent and antioxidant are well mixed in high-speed mixer, then well mixed material is sent into single screw extrusion machine, material sufficiently fuses under the shearing, mixing and conveying of screw rod, and finally after extrusion, tie rod, cooling, pellet is made.Chemicals-resistant light diffusion PC provided by the invention has the characteristics of high transmission rate, low transparency, and grease resistance, solvent resistant, acid-proof alkaline are excellent.
Description
Technical field：
The present invention relates to field of high polymer material processing, relate in particular to a kind of chemicals-resistant light diffusion PC materials and its
Preparation method.
Background technology：
LED is a kind of efficient semiconductor devices for converting electrical energy into luminous energy, has small volume, low power consuming, height luminous
The characteristics of, therefore start in various fields to substitute traditional light source.LED belongs to spot light, and luminous intensity is high, using common
Glass or transparent resin can damage the eyes of people, therefore the lampshade used in LED is mostly light diffused PC.PC (makrolon)
It is current most widely used smooth diffusion lampshade material as a kind of high intensity, the thermoplastic resin material of high transmission rate, but
In the presence of some weakness, such as chemical resistance is poor, not oil resistant and soda acid etc., improves the most common side of PC chemical resistances
Formula is to add the preferable polymeric materials of oil resistivity such as PET, ABS, but the material such as PET, ABS can influence the PC transparency, and this is specially
Profit is modified PC by new copolyester material and spreads PC materials so as to obtain the excellent light of chemical resistance, solves this
One problem.
The content of the invention：
The problem of present invention exists for existing light diffusion PC materials, there is provided a kind of oil resistivity, chemical resistance
Excellent light diffusion PC materials.
The technical scheme that the present invention uses is as follows：
PC 880-950 parts
Copolyesters 30-100 parts
Light diffusing agent 10-30 parts
Antioxidant 2-10 parts
PC resin used be high transparency bisphenol A-type clear polycarbonate, its light transmittance >=85%.
Copolyesters used is terephthalic acid (TPA)-ethylene glycol-cyclohexanedimethanol terpolymer (PETG) or hexamethylene two
One kind in methanol-terephthalic acid (TPA)-M-phthalic acid terpolymer (PCTA).
Light diffusing agent used is 80% esters of acrylic acid light diffusing agent and the compound of 20% nano zine oxide.
Antioxidant used is four [methyl-β-(3,5- di-tert-butyl-hydroxy phenyl) propionic ester] pentaerythritol esters
(1010), N, N'- couples-(3- (3,5- di-tert-butyl-hydroxy phenyls) propiono) hexamethylene diamine (1098), β-(bis- tertiary fourths of 3,5-
Base -4- hydroxy phenyls) the positive octadecanol ester (1076) of propionic acid, two kinds in three [2.4- di-tert-butyl-phenyls] phosphite esters (168)
Compound.
Present invention also offers a kind of preparation method of chemicals-resistant light diffusion PC materials, this method includes following step
Suddenly：First PC resin, conjugated polyester resin, light diffusing agent and antioxidant are well mixed in high-speed mixer, then will be mixed equal
Even material is sent into double screw extruder, and material sufficiently fuses under the shearing, mixing and conveying of screw rod, finally by squeezing
Go out, tie rod, after cooling, pellet be made.Described double screw extruder is with accurate temperature control and vacuum-pumping equipment
Double screw extruder, the temperature setting in each area of screw rod is 260-300 DEG C.
The beneficial effects of the present invention are：
The invention provides a kind of chemicals-resistant light diffusion PC materials and preparation method thereof, there is high transmission rate low transparency
The characteristics of, grease resistance, solvent resistant, acid-proof alkaline are excellent, and mechanical property is close with common PC, while is provided with good resistance toization
Performance is learned, eliminates the hidden danger that stress cracking occurs in use for material, expands light diffusion PC use range.
Embodiment：
The invention will be further described with reference to embodiments, and its purpose, which is only that, is best understood from the object of the invention, and
Unrestricted protection scope of the present invention.The material used in embodiment is commercially available prod, and wherein PC is PC IR2200 (Japan
Light extraction, light transmittance 92%, mist degree 1.2%), copolyester material used is PETG K2001 (South Korea SK), is selected in embodiment
Method of testing is ASTM standard, and light transmittance and mist degree test are 2mm thin slices.
Embodiment 1
880 parts of PC
100 parts of PETG
20 parts of light diffusing agent
1076 2 parts
168 3 parts
By PC, PETG, light diffusing agent, (80% esters of acrylic acid light diffusing agent and 20% nano zine oxide are answered first
With thing), 1076,168 addition high mixers be well mixed, material that then will be well mixed, which is sent into double screw extruder to extrude, to be made
Grain, the wherein temperature setting in each area of screw rod are 260-280 DEG C.Its bending strength is 88MPA, simply supported beam notch impact strength
54KJ/m2,, light transmittance 42.7%, mist degree 83.1%.
Embodiment 2
900 parts of PC
90 parts of PETG
10 parts of light diffusing agent
1076 2 parts
168 4 parts
By PC, PETG, light diffusing agent, (80% esters of acrylic acid light diffusing agent and 20% nano zine oxide are answered first
With thing), 1076,168 addition high mixers be well mixed, material that then will be well mixed, which is sent into double screw extruder to extrude, to be made
Grain, the wherein temperature setting in each area of screw rod are 270-290 DEG C.Its bending strength is 90MPA, simply supported beam notch impact strength
58KJ/m2, light transmittance 56.8%, mist degree 74.8%.
Embodiment 3
920 parts of PC
50 parts of PETG
30 parts of light diffusing agent
1076 3 parts
168 5 parts
By PC, PETG, light diffusing agent, (80% esters of acrylic acid light diffusing agent and 20% nano zine oxide are answered first
With thing), 1076,168 addition high mixers be well mixed, material that then will be well mixed, which is sent into double screw extruder to extrude, to be made
Grain, the wherein temperature setting in each area of screw rod are 270-295 DEG C.Its bending strength is 96MPA, simply supported beam notch impact strength
69KJ/m2, light transmittance 49.9%, mist degree 77.6%.
Embodiment 4
950 parts of PC
30 parts of PETG
20 parts of light diffusing agent
1076 5 parts
168 5 parts
By PC, PETG, light diffusing agent, (80% esters of acrylic acid light diffusing agent and 20% nano zine oxide are answered first
With thing), 1076,168 addition high mixers be well mixed, material that then will be well mixed, which is sent into double screw extruder to extrude, to be made
Grain, the wherein temperature setting in each area of screw rod are 270-300 DEG C.Its bending strength is 94MPA, simply supported beam notch impact strength
71KJ/m2, light transmittance 52.3%, mist degree 78.2%.
Embodiment 5
900 parts of PC
90 parts of PCTA
10 parts of light diffusing agent
1010 2 parts
1098 4 parts
By PC, PCTA, light diffusing agent, (80% esters of acrylic acid light diffusing agent and 20% nano zine oxide are answered first
With thing), 1010,1098 addition high mixers be well mixed, material that then will be well mixed, which is sent into double screw extruder, to be extruded
It is granulated, wherein the temperature setting in each area of screw rod is 275-300 DEG C.Its bending strength is 97MPA, simply supported beam notch impact strength
52KJ/m2, light transmittance 62.4%, mist degree 73.5%.
Comparative example
980 parts of PC
20 parts of light diffusing agent
1098 2 parts
168 3 parts
First by PC, light diffusing agent (80% esters of acrylic acid light diffusing agent and the compounding of 20% nano zine oxide
Thing), 168,1098 addition high mixers be well mixed, material that then will be well mixed, which is sent into double screw extruder to extrude, to be made
Grain, the wherein temperature setting in each area of screw rod are 275-300 DEG C.Its bending strength is 102MPA, simply supported beam notch impact strength
72KJ/m2, light transmittance 68.4%, mist degree 66.7%.
It can see by the contrast of embodiment and comparative example, light diffusion PC materials provided by the invention and normal light diffusion
PC materials are compared, and light transmittance is lower, mist degree is higher, more preferable to the diffusion effect of light, and reason is that copolyesters is added in this programme
Material, because the index of refraction difference of copolyesters with PC materials causes to reduce light transmittance when blending, improve light diffusion
Effect, while also improve the chemicals-resistant of material and the performance of grease resistance.
The above-mentioned description to embodiment is understood that for ease of those skilled in the art and using this hair
It is bright.Person skilled in the art obviously easily can make various modifications to these embodiments, and described herein
General Principle is applied in other embodiment without by performing creative labour.Therefore, the invention is not restricted to implementation here
Example, for those skilled in the art according to the announcement of the present invention, not departing from improvement that scope made and modification all should be
Within protection scope of the present invention.
Claims (7)
1. a kind of chemicals-resistant light spreads PC materials, it is characterised in that is made up of following parts by weight：
PC 880-950 parts,
Copolyesters 30-100 parts,
Light diffusing agent 10-30 parts,
Antioxidant 2-10 parts.
A kind of 2. chemicals-resistant light diffusion PC materials according to claim 1, it is characterised in that：Described PC is high transparency
Bisphenol A-type clear polycarbonate, its light transmittance >=85%.
A kind of 3. chemicals-resistant light diffusion PC materials according to claim 1, it is characterised in that：Described copolyesters is
One kind in PETG or PCTA.
A kind of 4. chemicals-resistant light diffusion PC materials according to claim 1, it is characterised in that：Described light diffusing agent is
80% esters of acrylic acid light diffusing agent and the compound of 20% nano zine oxide.
A kind of 5. chemicals-resistant light diffusion PC materials according to claim 1, it is characterised in that：Described antioxidant is
1010th, two kinds of compound in 1076,1098 and 168.
6. the preparation method of the chemicals-resistant light diffusion PC materials described in a kind of claim 1, it is characterised in that this method includes
Following steps：First PC, copolyesters, light diffusing agent and antioxidant are well mixed in high-speed mixer, then will be well mixed
Material be sent into double screw extruder in, material sufficiently fuses under the shearing, mixing and conveying of screw rod, finally through squeezing
Go out, tie rod, after cooling, pellet be made.
A kind of 7. preparation method of chemicals-resistant light diffusion PC materials according to claim 6, it is characterised in that：Described
Double screw extruder carries accurate temperature control and vacuum-pumping equipment, and the temperature setting in each area of screw rod is 260-300 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610767201.3A CN107778815A (en) | 2016-08-29 | 2016-08-29 | A kind of chemicals-resistant light diffusion PC materials and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610767201.3A CN107778815A (en) | 2016-08-29 | 2016-08-29 | A kind of chemicals-resistant light diffusion PC materials and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107778815A true CN107778815A (en) | 2018-03-09 |
Family
ID=61449819
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610767201.3A Pending CN107778815A (en) | 2016-08-29 | 2016-08-29 | A kind of chemicals-resistant light diffusion PC materials and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107778815A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109721995A (en) * | 2018-12-27 | 2019-05-07 | 会通新材料股份有限公司 | A kind of solvent resistant, polycarbonate composite material of high impact and preparation method thereof |
| CN111704791A (en) * | 2020-06-03 | 2020-09-25 | 大韩化工工业高性能材料(东莞)有限公司 | Light-guiding light-diffusing PC material and preparation method thereof |
| CN113088058A (en) * | 2019-12-23 | 2021-07-09 | 中石化南京化工研究院有限公司 | Polycarbonate-based light diffusion material for automobile lamp shade and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003090901A (en) * | 2001-07-09 | 2003-03-28 | Teijin Chem Ltd | Plastic lens |
| CN101906244A (en) * | 2010-08-12 | 2010-12-08 | 东莞市信诺橡塑工业有限公司 | Polycarbonate combination and preparation method thereof |
| CN105419255A (en) * | 2015-12-11 | 2016-03-23 | 广东天保新材料有限责任公司 | Regenerative PETG/PC alloy light diffusion material and preparation method thereof |
-
2016
- 2016-08-29 CN CN201610767201.3A patent/CN107778815A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003090901A (en) * | 2001-07-09 | 2003-03-28 | Teijin Chem Ltd | Plastic lens |
| CN101906244A (en) * | 2010-08-12 | 2010-12-08 | 东莞市信诺橡塑工业有限公司 | Polycarbonate combination and preparation method thereof |
| CN105419255A (en) * | 2015-12-11 | 2016-03-23 | 广东天保新材料有限责任公司 | Regenerative PETG/PC alloy light diffusion material and preparation method thereof |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109721995A (en) * | 2018-12-27 | 2019-05-07 | 会通新材料股份有限公司 | A kind of solvent resistant, polycarbonate composite material of high impact and preparation method thereof |
| CN113088058A (en) * | 2019-12-23 | 2021-07-09 | 中石化南京化工研究院有限公司 | Polycarbonate-based light diffusion material for automobile lamp shade and preparation method thereof |
| CN111704791A (en) * | 2020-06-03 | 2020-09-25 | 大韩化工工业高性能材料(东莞)有限公司 | Light-guiding light-diffusing PC material and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105968771B (en) | High fire-retardance high intensity highly reflective polycarbonate material and its preparation method and application | |
| CN104797654B (en) | Polyester and resin composition and manufacture method thereof, camera module containing this polyester and resin composition | |
| CN107778815A (en) | A kind of chemicals-resistant light diffusion PC materials and preparation method thereof | |
| CN101486825A (en) | Preparation of weather resistant PC and ASA copolymer alloy | |
| CN103724972A (en) | Low-temperature-resistance flame-retardant photodiffusion polycarbonate composite material and preparation method thereof | |
| CN102898806B (en) | Antistatic polycarbonate/polyester alloy material and preparation method thereof | |
| CN101423656A (en) | Polycarbonate/polyester alloy nano composite material and preparation method thereof | |
| CN103073865A (en) | PC and copolyester blend and preparation method thereof | |
| CN103554863A (en) | LED lampshade material polycarbonate resin composition and preparation method thereof | |
| CN103183935B (en) | High-ductility PBT/PC (polybutylece terephthalate/polycarbonate) alloy and preparation method thereof | |
| CN104497533A (en) | Halogen-free flame-retardant high-gloss reflective heat-conducting polycarbonate material and preparation method thereof | |
| CN104098883A (en) | High-toughness high-diffusivity PC/PBT alloy material and preparation method thereof | |
| CN106751660A (en) | A kind of high transmission rate, heat-resisting PC/PAR alloys | |
| CN101805507A (en) | Polycarbonate resin composition for lampshades and preparation method thereof | |
| CN103113720B (en) | Flame-retardant PET resin combination with anti-yellowing function and preparation method thereof | |
| WO2023005869A1 (en) | Polycarbonate/polyester alloy composition that is resistant to long-term thermo-oxidative aging and preparation method therefor | |
| CN101838452B (en) | Polycarbonate resin composition and preparation method thereof | |
| CN105086381A (en) | Polybutylene terephthalate composite and preparation method thereof | |
| CN106046742A (en) | Polycarbonate-amorphous copolyester alloy material and preparation method thereof | |
| CN103450560A (en) | Heat-resistant photodiffusion polypropylene composition and preparation method thereof | |
| CN101768340A (en) | PET resin composition with anti-yellowing function and preparation method thereof | |
| TWI413659B (en) | Bio-based material composition and optical device employing the same | |
| CN105419255A (en) | Regenerative PETG/PC alloy light diffusion material and preparation method thereof | |
| CN105385118B (en) | A kind of high CTI value fire-retardant reinforced PBT composite material | |
| CN110172211A (en) | A kind of coloured filled polypropylene material of heat oxygen aging resistance and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180309 |